Cold acclimation of Concord grapevines <p>III. Relationship between cold hardiness, tissue water content, and shoot maturation</p>
DOI:
https://doi.org/10.5073/vitis.1986.25.151-159Keywords:
cold, resistance, shoot, bud, lignification, hydrationAbstract
- Cold acclimation of Concord grapevines in Michigan begins as early as late August in tissues at the base of current season's growth.
- Increases in cold hardiness are closely related to decreases in tissue water content as stems achieve vegetative maturity.
- Greatest differences in hardiness and water content are found in tissues which vary the most in extent of maturation on both primary shoots and summer laterals.
- Increases in cold resistance are not related to water saturation deficit (WSD) of shoots.
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